as for liquid light i love that shit and use it every other day right when lights come on till week 5 of flower, never had one problem burning or has anyone I've recommended
no you will not nog,
listen there is something you need to know about nutrients and their labels they are only required by the state to put what the real plant food ingredients are as listed on the product as well as the fact that whatever is but on the back of that bottle has been proven to...
no that will not be too much for your plants and there is no truth to kush strains not being able to handle this some of the more delicate ones might be affected but they would be fine as long as the ppm concentration is not too high for example an temperamental OG strain might only like 150ppm...
boost works excellent as a foliar spray it will enter the plant faster through a foliar than it will through the roots and it is highly recommended to use boost in conjunction with pk 13/14 as they work together to create an abundant amount of high quality flowers, you will see the best results...